##Cannondale Derailleur Hanger TA ST SS 070 When your bike suffers a knock to the rear derailleur, the hanger can bend out of shape. Simply replace your damaged part with the Cannondale Derailleur Hanger TA ST SS 070, which is compatible with Supersix EVO, CAAD13, Topstone Carbon and SystemSix framesets with an M12 double-lead thread rear thru-axle dropout. Made with the quality you'd expect from Cannondale; this genuine part comes with an installation bolt.